Home / 9,331.11-12,875.49-5,554.17

Finding the Fourth Proportional to 9,331.11, 12,875.49 and 5,554.17

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Solution

The fourth proportional to 9,331.11, 12,875.49 and 5,554.17 is: 7,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.11 : 12,875.49 = 5,554.17 : x
  2. Step 2: Convert to fraction form
    9,331.11/12,875.49 = 5,554.17/x
  3. Step 3: Cross multiply
    9,331.11x = 12,875.49 × 5,554.17
  4. Step 4: Simplify right side
    9,331.11x = 71,512,660.29
  5. Step 5: Solve for x
    x = 71,512,660.29/9,331.11
  6. Step 6: Final answer
    x = 7,663.90

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.